. >> all of this publicity is an education for kids in itself. >> absolutely. so easy to show we use social media in these ways to show children what they can do, how they can reach out and be helpful and not do it for the fame. >> everybody sees well look what happens if i do a nice gesture. >> do it because it's meaningful to you not meaningful to the world. >> dr. jennifer kindness abounds. >> kindness all around. >> up next -- >> if you married my daughter would you support her in the way she deserves to be supported? >> yes. >> gay lrd fauker will you be my son-in-law? >> i love that. a new study suggests the key to a lasting marriage is the son-in-law. we'll tell you why. you're watching cbs "this morning saturday." [ male announcer ] this is bob a regular guy with an irregular heartbeat. the usual, bob? not today. [ male announcer ] bob has afib: atrial fibrillation not caused by a heart valve problem a condition that puts him at greater risk for a stroke. [ gps ] turn left. i don't think so. [ male announcer ] for years, bob took warfarin and made a mon